No stats, just sat down. I know raising is marginal, but what do I do now... initial raiser still has 30 behind?

PokerStars No-Limit Hold'em, $1.00 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

SB ($64.70)
BB ($118.45)
UTG ($52.25)
MP1 ($82.50)
Hero (MP2) ($130.20)
CO ($110.15)
Button ($164.70)

Preflop: Hero is MP2 with A, K
UTG calls $1, MP1 bets $5, Hero raises to $17, 4 folds, UTG raises to $52.25 (All-In), MP1 calls $47.25, Hero?